Java tutorial
/* * Copyright 2010-2011 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.joshlong.examples.data.counter; import com.mysql.jdbc.jdbc2.optional.MysqlDataSource; import org.springframework.beans.BeansException; import org.springframework.beans.factory.BeanFactory; import org.springframework.beans.factory.BeanFactoryAware; import org.springframework.beans.factory.annotation.Value; import org.springframework.beans.factory.config.ConfigurableBeanFactory; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.core.convert.ConversionService; import org.springframework.data.keyvalue.redis.connection.jedis.JedisConnectionFactory; import org.springframework.data.keyvalue.redis.core.RedisTemplate; import org.springframework.data.keyvalue.redis.serializer.JdkSerializationRedisSerializer; import org.springframework.data.keyvalue.redis.serializer.RedisSerializer; import org.springframework.data.keyvalue.redis.serializer.StringRedisSerializer; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.transaction.PlatformTransactionManager; import org.springframework.util.Assert; import javax.sql.DataSource; /** * configuration for my simple counter. * * @author jlong */ @Configuration public class CounterConfiguration implements BeanFactoryAware { private ConversionService conversionService; private BeanFactory beanFactory; /// configuration @Value("${mysql.host}") private String mysqlHost = "127.0.0.1"; @Value("${mysql.password}") private String mysqlPassword = "counter"; @Value("${mysql.user}") private String mysqlUser = "counter"; @Value("${redis.host}") private String redisHost = "127.0.0.1"; @Value("${redis.password}") private String redisPassword; @Value("${redis.port}") private int redisPort = 6379; @Value("${redis.pooling}") private boolean pooling = false; @Value("${redis.timeout}") private int timeout = 2000; /// redis @Bean public JedisConnectionFactory jedisConnectionFactory() { JedisConnectionFactory jedisConnectionFactory = new JedisConnectionFactory(); jedisConnectionFactory.setHostName(this.redisHost); // jedisConnectionFactory.setPassword(this.redisPassword); jedisConnectionFactory.setUsePool(this.pooling); jedisConnectionFactory.setPort(this.redisPort); jedisConnectionFactory.setTimeout(this.timeout); return jedisConnectionFactory; } @Bean public RedisSerializer serializer() { StringRedisSerializer redisSerializer = new StringRedisSerializer(); return redisSerializer; } @Bean public RedisTemplate<String, Integer> redisTemplate() { RedisTemplate<String, Integer> rt = new RedisTemplate<String, Integer>(); rt.setConnectionFactory(this.jedisConnectionFactory()); rt.setDefaultSerializer(serializer()); return rt; } /// mongodb /// mysql @Bean public DataSource dataSource() { MysqlDataSource ds = new MysqlDataSource(); ds.setPassword(this.mysqlPassword); ds.setUser(this.mysqlUser); ds.setUrl(this.buildMysqlUrl(this.mysqlHost)); return ds; } @Bean public PlatformTransactionManager dataSourceTransactionManager() { return new DataSourceTransactionManager(this.dataSource()); } @Bean public JdbcTemplate jdbcTemplate() { return new JdbcTemplate(this.dataSource()); } private String buildMysqlUrl(String host) { return "jdbc:mysql://" + host + ":3306/counter"; } @Override public void setBeanFactory(BeanFactory beanFactory) throws BeansException { this.beanFactory = beanFactory; Assert.isInstanceOf(ConfigurableBeanFactory.class, beanFactory, "the context used must be an instance of " + ConfigurableBeanFactory.class.getName()); ConfigurableBeanFactory configurableBeanFactory = (ConfigurableBeanFactory) beanFactory; } }